Search Results for author: Massil Achab

Found 2 papers, 1 papers with code

Uncovering Causality from Multivariate Hawkes Integrated Cumulants

1 code implementation ICML 2017 Massil Achab, Emmanuel Bacry, Stéphane Gaïffas, Iacopo Mastromatteo, Jean-Francois Muzy

We design a new nonparametric method that allows one to estimate the matrix of integrated kernels of a multivariate Hawkes process.

SGD with Variance Reduction beyond Empirical Risk Minimization

no code implementations16 Oct 2015 Massil Achab, Agathe Guilloux, Stéphane Gaïffas, Emmanuel Bacry

We introduce a doubly stochastic proximal gradient algorithm for optimizing a finite average of smooth convex functions, whose gradients depend on numerically expensive expectations.

Survival Analysis

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